Yahoo does not allow the removal of recovery email addresses linked to the Yahoo account, why not? What if one of the recovery emails is compromised, allowing the infiltrators to use that account to reset and gain access to my Yahoo account?

Maybe if all these tech geniuses and giant companies could put a little effort into simple customer communications rather than trying to handle everything through bots and re-directs issues like this would have been thought of at the start of implementing such projects/programs.